1018269779844 has 24 divisors (see below), whose sum is σ = 2376342360000. Its totient is φ = 339369039904.

The previous prime is 1018269779773. The next prime is 1018269779861. The reversal of 1018269779844 is 4489779628101.

It is a super-3 number, since 3×1018269779844³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6699219 + ... + 6849530.

It is an arithmetic number, because the mean of its divisors is an integer number (99014265000).

Almost surely, 2^{1018269779844} is an apocalyptic number.

It is an amenable number.

1018269779844 is an abundant number, since it is smaller than the sum of its proper divisors (1358072580156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1018269779844 is a wasteful number, since it uses less digits than its factorization.

1018269779844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13555019 (or 13555017 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 66.

The spelling of 1018269779844 in words is "one trillion, eighteen billion, two hundred sixty-nine million, seven hundred seventy-nine thousand, eight hundred forty-four".